Question about Alpine Type-R SWR-1222D Car Subwoofer

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Bump I have alpine mrp m1000 connected to two alpine type r 12s and a 100 farrad cap. For some reason it will bump, however it will cut out. The amp, cd player, and capacitor all stay on, but it just wont bump.

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  • swny Jul 25, 2008

    the subs will turn on for like 30 seconds and then cut out. ive check all my wires and connections and all are fine. the protect isnt coming on for the amp. turn on the radio and they work for 30 seconds cuts out. turn off radio and turn it right back on and the subs work for another 30 seconds.


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Hi i have had the same problem and it turned out to be a earth that firstly wasnt earthed properly and secondly it was not a big enough gauge wire.
I hope this helps

Posted on Mar 13, 2009

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If your using high level inputs try switching to low level inputs. it could be a short circut.

Posted on Nov 28, 2008

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What do you mean it will bump, then cuts out?, Then you say it just wont't bump? Does it cut out after you go over a bump in the road, does the speaker bottom out and cuts out? Please you need to be a little bit clearer with the fault. and the symptoms.

Posted on May 29, 2008

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What is the best amp for one 15" alpine type r?

sub spec 250watts per coil you should be just fine I have 2 typr 15s on orion hcca 2500 1 and it kicks a$$ thats 1000 watts over the rated limits of the subs only shut the amp down once these subs can take a lot more power than they say just use your common sence with the volume and gain levels

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Ok i have a alpine mrp m1000 which is getting good power and ground and amp turns on no problem but there is no signal transfer from rca inputs to speaker outputs and no continuity between left and right...

OK, a few things to check. First, check the gains. This is the little knob next to the RCA input. You will probably need a tiny screw driver to adjust this. If this is not the case, then you may have bad RCA cables or the head unit is not sending the signal. Double check wiring at the back of the headunit to see if they are connected well. Hope this helps

Aug 17, 2011 | Car Audio & Video

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Type rs not hitting

sometimes RCA cables to the amp can go bad give them a look-see they may need to be replaced. I doubt you have a problem with the speakers themselves. you may also check the ground wire to the amp, make sure it has a tight metal to metal connection

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Subs cut out at low volume no matter the settings

I'm not a complete audio expert but it sounds like somethings over heating or you have a blown out put bridge.

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Dont know what i need to install this stuff

Hello bighollywood,

To install the head unit without cutting or tapping into the vehicle wiring, you'll need a "wiring harness". The Metra 70-1782 here seems to be the one for your '96 Prizm.

For the sub(s), you'll need an amp and a wiring kit. My recommendation would be the Alpine MRP-M1000. It's currently on sale at Crutchfield for $347. Shipping is included and you'll also get an "installation guide" to help with the wiring. The M1000 requires 4gauge power and ground.

Hope this helps.

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My amp shuts off with my 12in w6's when i turn up the volume

oh no you need a more powerfull amp i recommend selling the one you have and upgrade to a bigger amp ive had the same problem or if not unbridge your amp so it dosent work the amp to much

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SWR-1242D wired at 4ohms


Having to much power for a subwoofer is a veeeery good thing, it will provide a lot of control and quality sound to your sub.

But this sub is a dual voice coil at 2 x 4ohm so if you want to hook it up at 4 ohm u need a 2 channel amplifier running mono mode.

i dont recomend that you hook up in 4 ohm, its better to take some time adjusting the levels on the amp and the headunit.

This system has the potential to create a realy good bass sound if u tune it the right way.

Feb 10, 2009 | Alpine Type-R SWR-1242D Car Subwoofer

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